US2864676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of organic compounds
Assignee: Universal Oil Products Co
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Filing: 1955-09-29
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Granted: 1958-12-16
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Expires: 1975-09-29
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:18
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/232; C07; C07D; C07D209/00; C07D209/56; C07D209/80; C07D209/82; C07D209/88; C11; C11B; C11B5/00; C11B5/0042; C11B5/0064
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
GASOLINE SUBJECT TO DETERIORATION IN STORAGE CONTAINING A STABILIZING CONCENTRATION OF AN ALKYLAMINOCARBAZOLE INHIBITOR.
Claim 2
Dependent Claim
14 words
GASOLINE SUBJECT TO DETERIORATION IN STORAGE CONTAINING A STABILIZING CONCENTRATION OF AN ALKYLAMINOCARBAZOLE INHIBITOR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |